Samsung S550TL Bin2 unlocked by GC PRO.

After 2 hours trying to root this model here is the log, if you need help with the root let me know.

Using Version...1.0.0.0055
Selected Model GT-I5500
Selected Port SAMSUNG Mobile USB Serial Port COM312
Selected Task SAMSUNG ADB UNLOCK

Searching ADB device Please wait..
Device Detected...
SELinux := Permissive
model:= SM-S550TL
Androids Version:= 6.0.1
Description Version:= on5ltetfntmo-user 6.0.1 MMB29K S550TLUDU2AQC4 release-keys
Platform:= exynos3 [ universal3475 ] [ SHANNON308 ]
Baseband:= S550TLUDU2API2
VER:= S550TLUDU2AQC4/S550TLTFN2AQC4/S550TLUDU2API2/FA60_S550TLUDU2API1
Carrier := TFN_USA
EFS CSC := TFN
Knox Warranty := Not Void
AP UART Status := Enable Already.
Security Patch := 01-03-2017
Network Mode := LTE
Simstatus:= ABSENT
ANDROID-ID = 920116a1588154c3_00001D0508
type1 root exploit possible.
SU Version..3.81:kinguser_s
Device is Secure Rooted..uid=0
System Permission is Read/Write...

SAMSUNG ADB UNLOCK STARTED...

Reading backup Please wait...
Checking Data..
Checking Lock Status..
Local scu-db found..
Checking Sec-Blk Hmac Verify ok..1
NV IMEI1:= 359578073422448
Phone is Locked..
IMEI cert file saved...
Unlocking Phone Please Wait..
Unlocking Done...

!!! Success !!!!